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swc_ecma_loader

v23.0.0 Stable

General ecmascript loader used for transforms

Apache-2.0 Edition 2021

Quick Verdict

  • โœ“Actively maintained (updated 1d ago)
  • โœ“Stable API (23.x for 5+ years)
  • โœ“Massive adoption (8.4K crates depend on it)
  • โœ“Permissive license (Apache-2.0)

Security

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Downloads
5.1M
Dependents
8.4K
Releases
221
Size
18KB

Deep Insights

๐Ÿ“Š
Steady growth

387.3K downloads in the last 30 days (12.9K/day), up 3% from the previous period.

๐Ÿ”—
Widely adopted

8.4K crates depend on swc_ecma_loader. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 225 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

โœ…
Stable for 5+ years

The API has been stable (1.x) for over 5 years with 221 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“
Compact crate

At 18KB, swc_ecma_loader is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include swc_core, deno_ast, swc_bundler, swc, swc_ecma_transforms_module. When high-quality crates choose swc_ecma_loader, it's a strong quality signal.

Health Breakdown

Maintenance 19/25

Recency, release consistency, active ratio

Quality 19/25

Yanked ratio, deps, size, maturity, features

Community 12/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 13/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
12K/day avg+3%
05K10K15K20K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v17.0.0
52%
v14.0.0
26%
v18.0.0
14%
v19.0.0
4%
v21.0.0
4%

Release Timeline

10 releasessince 2025
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Feature Flags

tscnodecache

README

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Maintainers

Dependencies
15
direct dependencies
Dependents
8.4K
crates depend on swc_ecma_loader